<composition composer="c1">
<title>Trio for Flute, Viola and Harp</title>
<date><year>(1994)</year></date>
<length>13'38"</length>
<instruments>fl, hp, vla</instruments>
<description>
<p>Premiered at Queens College in April, 1996 by Sue Ann Kahn,
Christine Ims, and Susan Jolles. In 3 movements :</p>
<ul>
<li>mvt. 1: 5:01</li>
<li>mvt. 2: 4:11</li>
<li>mvt. 3: 4:26</li>
</ul>
</description>
<publisher>Theodore Presser</publisher>
</composition>
Suffixing an element name with a question mark (?) in the content model indicates that either 0 or 1 (but not more than one) of that element are expected at that position
<!ELEMENT composition
(title, date, length?, instruments, description?, publisher?)>